13400597144

Committed 18 Feb 2025 09:42PM UTC coverage: 39.154% (-1.8%) from 40.988%

Build # 13400597144

Build Type

push

github

Committed by

dariusbakunas

Commit Message

feat: add very basic worker threads and implement message passing

Coverage Stats

0 of 80 new or added lines in 6 files covered. (0.0%)

2 existing lines in 2 files now uncovered.

639 of 1632 relevant lines covered (39.15%)

1.35 hits per line

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0.0

/cogrs-core/src/executor/task_queue_manager.rs

use crate::executor::play_iterator::PlayIterator;
use crate::inventory::host::Host;
use crate::inventory::manager::InventoryManager;
use crate::playbook::play::Play;
use crate::strategy::linear::LinearStrategy;
use crate::strategy::Strategy;
use crate::vars::manager::VariableManager;
use anyhow::Result;
use cogrs_plugins::callback::{CallbackPlugin, EventType};
use serde_json::Value;
use std::cmp::min;
use std::collections::HashMap;
use std::sync::Arc;

pub struct TaskQueueManager {
    forks: usize,
    callbacks_loaded: bool,
    callbacks: HashMap<EventType, Vec<Arc<dyn CallbackPlugin>>>,
    terminated: bool,
    unreachable_hosts: HashMap<String, Host>,
    workers: Vec<tokio::task::JoinHandle<()>>,
}

const DEFAULT_FORKS: usize = 5;

impl TaskQueueManager {
    pub fn new(forks: Option<usize>) -> Self {
        Self {
            callbacks: HashMap::new(),
            callbacks_loaded: false,
            forks: forks.unwrap_or(DEFAULT_FORKS),
            terminated: false,
            unreachable_hosts: HashMap::new(),
            workers: Vec::with_capacity(forks.unwrap_or(DEFAULT_FORKS)),
        }
    }

    pub fn get_worker(&mut self, index: usize) -> Option<&tokio::task::JoinHandle<()>> {
        self.workers.get(index)
    }

    pub fn set_worker(&mut self, index: usize, worker: tokio::task::JoinHandle<()>) {
        self.workers.insert(index, worker);
    }

    pub async fn run(
        &mut self,
        play: Play,
        variable_manager: &VariableManager,
        inventory_manager: &InventoryManager,
    ) -> Result<()> {
        self.load_callbacks(
            // TODO: add logic to get callback plugin path
            "/Users/darius/Programming/cogrs/dist/minimal-apple_x86_64-apple-darwin",
        );
        let all_vars = variable_manager.get_vars(Some(&play), None, None, true, true);

        self.emit_event(EventType::PlaybookOnPlayStart, None).await;

        let strategy = *play.strategy();

        let mut play_iterator = PlayIterator::new(play);
        play_iterator.init(inventory_manager)?;

        let forks = min(self.forks, play_iterator.batch_size());

        match strategy {
            Strategy::Linear => {
                let mut strategy = LinearStrategy::new(self, inventory_manager, variable_manager);
                strategy.run(&mut play_iterator).await?;
            }
            Strategy::Free => {
                todo!()
            }
        }

        Ok(())
    }

    pub fn register_callback(&mut self, callback: Box<dyn CallbackPlugin>) {
        let callback: Arc<dyn CallbackPlugin> = Arc::from(callback);
        for event in callback.get_interested_events() {
            self.callbacks
                .entry(event)
                .or_insert_with(Vec::new)
                .push(callback.clone());
        }
    }

    pub fn get_unreachable_hosts(&self) -> &HashMap<String, Host> {
        &self.unreachable_hosts
    }

    pub fn is_terminated(&self) -> bool {
        self.terminated
    }

    fn load_callbacks(&mut self, plugin_dir: &str) {
        use libloading::{Library, Symbol};
        use std::fs;

        let plugin_extension = if cfg!(target_os = "windows") {
            "dll"
        } else if cfg!(target_os = "macos") {
            "dylib"
        } else {
            "so"
        };

        if self.callbacks_loaded {
            return;
        }

        for entry in fs::read_dir(plugin_dir).expect("Invalid plugin directory") {
            let path = entry.expect("Failed to read entry").path();
            if path.extension().and_then(|e| e.to_str()) == Some(plugin_extension) {
                unsafe {
                    let lib = Library::new(&path).expect("Failed to load plugin");

                    // Dynamically load the callback creation function
                    let create_callback: Symbol<fn() -> Box<dyn CallbackPlugin>> = lib
                        .get(b"create_plugin")
                        .expect("Failed to find create_plugin function");

                    let plugin = create_callback();

                    // Register the plugin for events
                    self.register_callback(plugin);
                }
            }
        }

        self.callbacks_loaded = true
    }

    pub async fn emit_event(&self, event: EventType, data: Option<Value>) {
        if let Some(callbacks) = self.callbacks.get(&event) {
            // Spawn and collect tasks
            let tasks: Vec<_> = callbacks
                .iter()
                .map(|callback| {
                    let callback = callback.clone();
                    let event = event.clone();
                    let data = data.clone();
                    tokio::spawn(async move {
                        callback.on_event(&event, data.as_ref()); // Async invocation
                    })
                })
                .collect();

            // Wait for all spawned tasks to complete
            for task in tasks {
                if let Err(err) = task.await {
                    eprintln!("Callback task panicked: {:?}", err);
                }
            }
        }
    }

    pub fn forks(&self) -> usize {
        self.forks
    }
}

1	use crate::executor::play_iterator::PlayIterator;
2	use crate::inventory::host::Host;
3	use crate::inventory::manager::InventoryManager;
4	use crate::playbook::play::Play;
5	use crate::strategy::linear::LinearStrategy;
6	use crate::strategy::Strategy;
7	use crate::vars::manager::VariableManager;
8	use anyhow::Result;
9	use cogrs_plugins::callback::{CallbackPlugin, EventType};
10	use serde_json::Value;
11	use std::cmp::min;
12	use std::collections::HashMap;
13	use std::sync::Arc;
14
15	pub struct TaskQueueManager {
16	forks: usize,
17	callbacks_loaded: bool,
18	callbacks: HashMap<EventType, Vec<Arc<dyn CallbackPlugin>>>,
19	terminated: bool,
20	unreachable_hosts: HashMap<String, Host>,
21	workers: Vec<tokio::task::JoinHandle<()>>,
22	}
23
24	const DEFAULT_FORKS: usize = 5;
25
26	impl TaskQueueManager {
NEW 27	pub fn new(forks: Option<usize>) -> Self {	×
28	Self {
29	callbacks: HashMap::new(),	×
30	callbacks_loaded: false,
31	forks: forks.unwrap_or(DEFAULT_FORKS),	×
32	terminated: false,
33	unreachable_hosts: HashMap::new(),	×
NEW 34	workers: Vec::with_capacity(forks.unwrap_or(DEFAULT_FORKS)),	×
35	}
36	}
37
NEW 38	pub fn get_worker(&mut self, index: usize) -> Option<&tokio::task::JoinHandle<()>> {	×
NEW 39	self.workers.get(index)	×
40	}
41
NEW 42	pub fn set_worker(&mut self, index: usize, worker: tokio::task::JoinHandle<()>) {	×
NEW 43	self.workers.insert(index, worker);	×
44	}
45
UNCOV 46	pub async fn run(	×
47	&mut self,
48	play: Play,
49	variable_manager: &VariableManager,
50	inventory_manager: &InventoryManager,
51	) -> Result<()> {
52	self.load_callbacks(	×
53	// TODO: add logic to get callback plugin path
54	"/Users/darius/Programming/cogrs/dist/minimal-apple_x86_64-apple-darwin",
55	);
56	let all_vars = variable_manager.get_vars(Some(&play), None, None, true, true);	×
57
58	self.emit_event(EventType::PlaybookOnPlayStart, None).await;	×
59
NEW 60	let strategy = *play.strategy();	×
61
62	let mut play_iterator = PlayIterator::new(play);	×
63	play_iterator.init(inventory_manager)?;	×
64
65	let forks = min(self.forks, play_iterator.batch_size());	×
66
67	match strategy {	×
68	Strategy::Linear => {
NEW 69	let mut strategy = LinearStrategy::new(self, inventory_manager, variable_manager);	×
70	strategy.run(&mut play_iterator).await?;	×
71	}
72	Strategy::Free => {
73	todo!()
74	}
75	}
76
77	Ok(())	×
78	}
79
80	pub fn register_callback(&mut self, callback: Box<dyn CallbackPlugin>) {	×
81	let callback: Arc<dyn CallbackPlugin> = Arc::from(callback);	×
82	for event in callback.get_interested_events() {	×
83	self.callbacks	×
84	.entry(event)
85	.or_insert_with(Vec::new)
86	.push(callback.clone());	×
87	}
88	}
89
90	pub fn get_unreachable_hosts(&self) -> &HashMap<String, Host> {	×
91	&self.unreachable_hosts	×
92	}
93
94	pub fn is_terminated(&self) -> bool {	×
95	self.terminated	×
96	}
97
98	fn load_callbacks(&mut self, plugin_dir: &str) {	×
99	use libloading::{Library, Symbol};
100	use std::fs;
101
102	let plugin_extension = if cfg!(target_os = "windows") {
103	"dll"
104	} else if cfg!(target_os = "macos") {
105	"dylib"
106	} else {
107	"so"	×
108	};
109
110	if self.callbacks_loaded {	×
111	return;
112	}
113
114	for entry in fs::read_dir(plugin_dir).expect("Invalid plugin directory") {	×
115	let path = entry.expect("Failed to read entry").path();	×
116	if path.extension().and_then(\|e\| e.to_str()) == Some(plugin_extension) {	×
117	unsafe {
118	let lib = Library::new(&path).expect("Failed to load plugin");	×
119
120	// Dynamically load the callback creation function
121	let create_callback: Symbol<fn() -> Box<dyn CallbackPlugin>> = lib	×
122	.get(b"create_plugin")
123	.expect("Failed to find create_plugin function");
124
125	let plugin = create_callback();	×
126
127	// Register the plugin for events
128	self.register_callback(plugin);	×
129	}
130	}
131	}
132
133	self.callbacks_loaded = true	×
134	}
135
136	pub async fn emit_event(&self, event: EventType, data: Option<Value>) {	×
137	if let Some(callbacks) = self.callbacks.get(&event) {	×
138	// Spawn and collect tasks
139	let tasks: Vec<_> = callbacks	×
140	.iter()
141	.map(\|callback\| {	×
142	let callback = callback.clone();	×
143	let event = event.clone();	×
144	let data = data.clone();	×
145	tokio::spawn(async move {	×
146	callback.on_event(&event, data.as_ref()); // Async invocation	×
147	})
148	})
149	.collect();
150
151	// Wait for all spawned tasks to complete
152	for task in tasks {	×
153	if let Err(err) = task.await {	×
154	eprintln!("Callback task panicked: {:?}", err);	×
155	}
156	}
157	}
158	}
159
NEW 160	pub fn forks(&self) -> usize {	×
NEW 161	self.forks	×
162	}
163	}

dariusbakunas / cogrs / 13400597144

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